IV 
Journal of Agricultural Research 
Vol. VII 
Page 
Relationship between the Wetting Power and Efficiency of Nico¬ 
tine-Sulphate and Fish-Oil-Soap Sprays. Loren B. Smith. .. 389 
Life History and Poisonous Properties of Claviceps paspali. H. 
B. Brown. 401 
Effect of Sodium Salts in Water Cultures on the Absorption of 
Plant Food by Wheat Seedlings. J. F. BreazealE. 407 
Nitrification in Semiarid Soils. W. P. Kelley . 417 
Factors Affecting the Evaporation of Moisture from the Soil. F. 
S. Harris and J. S. Robinson... 439 
Macrosiphum granarium, the English Grain Aphis. W. J. Phil¬ 
lips . 463 
A Specific Mosaic Disease in Nicotiana viscosum Distinct from the 
Mosaic Disease of Tobacco. H. A. Allard.. 481 
Syntomaspis druparum, the Apple-Seed Chalcid. R. A. Cush¬ 
man. 487 
Assimilation of Iron by Rice from Certain Nutrient Solutions. 
P. L. GilE and J. O. Carrero. 503 
Influence of Bordeaux Mixture on the Rates of Transpiration from 
Abscised Leaves and from Potted Plants. William H. Mar¬ 
tin 
529 
